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Our Organ

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The organ at St. Andrew’s On-the-Sound was built by the Cornell Zimmer organ company of Denver (Charlotte), NC in 1995 as Opus 15. The organ was designed to incorporate pipes (as found at the back of the Nave) and digital voices provided by the Walker Technical Company of Center Valley, PA. The ten ranks of pipework that Zimmer installed originated from an older pipe organ built by the Schlicker Organ Company for St. Francis in the Fields Episcopal Church in Louisville, Kentucky around 1960. The 1995 digital voices are heard from the back of the Nave and from the front of the church in the choir loft. The console, located behind the pulpit, was built by Zimmer and has two manuals and pedal. These three divisions make up our organ, with the pipework in parts of the Great and Pedal divisions and the digital stops in the Swell division with other digital voices sprinkled throughout.

Specifications of the Organ

In the following sections are listings of the stops (sounds) available on the organ, grouped by division. Each division has its own tonal character and function, giving the organist great flexibility to create beautiful and varied musical textures during worship and concerts.

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Cornell Zimmer, Opus 15, 1995

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Great, Manual I, unenclosed

The Great division is the primary, central part of the organ’s sound — usually the boldest and most foundational voices. It is played from the lower manual (keyboard) and typically contains principal pipes and important foundational stops. “Unenclosed” means the pipes are not inside a swell box, so their sound is full and direct.​

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  • ​Bourdon16' (Stopped wooden flute, rich and deep tone)

  • ​​Principal8' (Main organ tone, bright and clear)

  • Gedackt8' (Stopped flute, warm and mellow)

  • Gemshorn8' (Hybrid flute/string tone, soft and elegant)

  • Octave4' (Bright principal tone, one octave higher)

  • Rohrflute4' (Chimney flute, sweet tone)

  • Waldflute2' (Forest flute, bright and light)

  • Larigot1 1/3' (Bright mutation stop, adds color)

  • Mixture III1 1/3' (High-pitched chorus of several ranks, adds brilliance)

  • Festival Trumpet8' (Powerful, festive trumpet)

  • Cromorne8' (Soft, buzzy reed stop)

  • Chimes(Bell-like tones, usually from actual chime bars)

  • Tremolo(Wavy, undulating effect)

  • Melodic Bass(Enhances melody in pedal bass line)

  • Swell to Great16'

  • Swell to Great8'

  • Swell to Great4'

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The Swell, Manual II, expressive

The Swell division is played from the upper manual (keyboard) and contains expressive stops enclosed in a swell box, allowing the organist to vary the volume dynamically by opening or closing shutters. It provides many of the softer, more colorful sounds and dynamic effects.

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  • Rohrflute8' (Chimney flute)

  • Viola8' (String-toned stop, warm and lush)

  • Viola Celeste8' (String stop tuned slightly sharp for shimmering effect)

  • Prestant4' (Small principal tone)

  • Koppelflute4' (Wide-scale flute with warm tone)

  • Nazard2 2/3' (Mutation stop adding a bright, nasal color)

  • Principal2' (Bright principal tone, two octaves above 8′)

  • Tierce1 3/5' (Mutation stop adding bright harmonic color)

  • Scharff III(High-pitched mixture, adds sparkle)

  • Trumpet8' (Bold trumpet tone)

  • Clarion4' (Bright trumpet sound, one octave up)

  • Tremolo(Wavy, undulating effect)

  • Swell to Swell16'

  • Swell Unison Off

  • Swell to Swell4'

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Pedal, unenclosed

The Pedal division is played with the organist’s feet on the pedalboard and provides the deep bass foundation of the organ. It often doubles or reinforces the lowest notes from other divisions and adds gravitas to the overall sound. Like the Great division, the Pedal pipes are unenclosed for a strong, direct tone.

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  • Contra Bourdon 32' (Very deep stopped bass flute)

  • Subbass 16' (Stopped bass flute, full and soft)

  • Bourdon 16' (Stopped flute, soft bass foundation)

  • Octave 8' (Open principal bass tone)

  • Rohr flute 8' (Chimney flute)

  • Choral bass 4' (Bright, articulate principal tone for bass line)

  • Posaune 16' (Powerful bass trombone-like reed stop)

  • Clarion 4' (Bright trumpet reed in pedal, one octave up)

  • Rohr schalmei 4' (Buzzing reed with distinctive character)

  • Swell to Pedal 8'

  • Great to Pedal 8'

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